For the function $f\left(x\right)=\sin \left(x\right)$ on the unit circle, what is its minimum value?

Which expression is equivalent to $\sin \frac{7\pi }{6}$?

On the unit circle, if point A is at $(1,0)$ and point D is at $(0,1)$, what is the measure in radians of the arc from A to D (arc AD)?

Which of the following represents the polar equation $r=(\tan 2\pi )(\csc \pi )$ as a rectangular equation?

On the unit circle, in which quadrant are both $\cos$ and $\cot$ negative?

On the unit circle, what relationship do the ratios $\frac{\sin x}{1}$ and $\frac{\cos y}{1}$ share for any real values of $x$ and $y$?

Which of the following expressions has the same value as $\tan (-45°)$?

Which of the following explains why $\cos (60°)$ equals $\sin (30°)$ using the unit circle?

Figure 10.1 should remind you of trigonometric functions you've seen before. Which of the following functions is most directly represented by the coordinates of a point on the unit circle at an angle $\theta$ from the positive x-axis?